49179480 has 128 divisors (see below), whose sum is σ = 170311680. Its totient is φ = 11128320.

The previous prime is 49179479. The next prime is 49179503. The reversal of 49179480 is 8497194.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 106450 + ... + 106910.

It is an arithmetic number, because the mean of its divisors is an integer number (1330560).

Almost surely, 2^49179480 is an apocalyptic number.

49179480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49179480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85155840).

49179480 is an abundant number, since it is smaller than the sum of its proper divisors (121132200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49179480 is a wasteful number, since it uses less digits than its factorization.

49179480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609 (or 605 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 49179480 is about 7012.8082819937. The cubic root of 49179480 is about 366.3768104098.

The spelling of 49179480 in words is "forty-nine million, one hundred seventy-nine thousand, four hundred eighty".